[Nhcoll-l] Polycarbonate cryogenic box manufacture

[Dirk Neumann]

Hi Heath,

yes, isn't it funny that there is a huge variety of external-threated 
tubes and hardly a rack that allows proper storage and easy picking of 
single tubes ? Boxes with rigid internal grids don't work and scratch 
labels off as you explained; maybe its worth to check these ones:

Greiner (sorry, German text but PDF offers 2 detail views of boxes); US 
contact: Greiner Bio-One North America Inc., info at us.gbo.com

Fisher Scientific offers similar boxes, acc. to their catalogue from

Wheaton, article 1267-3395 (100 tubes) / 1266-3405 (81 tubes)
Corning, article 1065-9351 (100 tubes) / 1039-0502 (81 tubes)
https://urldefense.proofpoint.com/v2/url?u=https-3A__de.fishersci.com_deen_-3Foption-3Dcom-5Finsight2-26task-3Dgetproduct-26productCode-3D10390502&d=AwID-g&c=-dg2m7zWuuDZ0MUcV7Sdqw&r=CLFZJ3fvGSmDp7xK1dNZfh6uGV_h-8NVlo3fXNoRNzI&m=y5p_rqm3rsvlr94cxpWf8qwGDQrn-6H8KmcNy6E7GYY&s=5fCXC88vCF0l1i2J_mAFLGzM3blc6VvteOBnSfbcNrM&e= 

For some internal reasons, the article numbers from the printed 
catalogue do not match with the online catalogue, and also the pictures 
differ. Both alternatives have internal posts that hold the tubes, not a 
grid. Even with those racks spacing of tubes might be an issue, as 
external dimensions of boxes are designed to fit in freezer racks which 
do have fixed dimensions. We have been testing similar boxes with the 
same design, tubes fit inside fairly without rubbing external labels, 
but we decided to use tall NUNC storage vials, as they perform much 
better during field, lab & under frozen (-25°C) conditions (externally 
threaded tubes do have major evaporation issues under ambient 
temperatures and under field conditions).

Hope this helps
Dirk


Am 29.05.2015 um 00:42 schrieb Garner, Heath:
>
> Hi,
>
> We’re needing to switch the storage of our frozen tissue collection 
> into 81-cell polycarbonate boxes. Unfortunately, about 95% of our 
> frozen collection are in externally threaded tubes with labels, which 
> make the vials themselves too wide to be placed in your typical 
> cryogenic storage box. The labels tear and scuff on the edges of the 
> divider or the vial caps become so closely impacted that the lids to 
> the box no longer fit. We’ve tried every popular brand of 
> polycarbonate cryogenic storage box on the market that’s readily 
> available in the U.S. and certainly no grid-style cryo box fits our 
> tubes. Most appear to be the exact same or similar design, just with a 
> different distributers logo printed on them.
>
> Does anyone have positive experience with a laboratory or plastics 
> company that’s willing to manufacture something for you, provided you 
> pay for the mold costs and order suitable quantities? So far we’re not 
> having much luck. Feel free to contact off-list.
>
> Thanks!
>
> Heath
>
> ---------------------------------------------
>
> Heath J. Garner
>
> Curator of Collections
>
> Museum of Texas Tech University
>
> Natural Science Research Laboratory
>
> 3301 4^th Street
>
> Lubbock, TX 79415
>
> (806) 742-2486
>
>
>
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-- 
Dirk Neumann

Tel: 089 / 8107-111
Fax: 089 / 8107-300
email: Dirk.Neumann(a)zsm.mwn.de

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Staatliche Naturwissenschaftliche Sammlungen Bayerns
Zoologische Staatssammlung München
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---------

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Tel: +49-89-8107-111
Fax: +49-89-8107-300
email: Dirk.Neumann(a)zsm.mwn.de

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Bavarian Natural History Collections
The Bavarian State Collection of Zoology
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